refactor: 移除全局单例、修复分层违规、统一错误与响应

internal/service/yggdrasil_auth_service.go

@@ -9,14 +9,11 @@ import (
 	"fmt"
 
 	"go.uber.org/zap"
-
-	"gorm.io/gorm"
 )
 
 // yggdrasilAuthService Yggdrasil认证服务实现
 // 负责认证和密码管理
 type yggdrasilAuthService struct {
-	db            *gorm.DB
 	userRepo      repository.UserRepository
 	yggdrasilRepo repository.YggdrasilRepository
 	logger        *zap.Logger
@@ -24,13 +21,11 @@ type yggdrasilAuthService struct {
 
 // NewYggdrasilAuthService 创建Yggdrasil认证服务实例（内部使用）
 func NewYggdrasilAuthService(
-	db *gorm.DB,
 	userRepo repository.UserRepository,
 	yggdrasilRepo repository.YggdrasilRepository,
 	logger *zap.Logger,
 ) *yggdrasilAuthService {
 	return &yggdrasilAuthService{
-		db:            db,
 		userRepo:      userRepo,
 		yggdrasilRepo: yggdrasilRepo,
 		logger:        logger,
@@ -78,7 +73,7 @@ func (s *yggdrasilAuthService) ResetYggdrasilPassword(ctx context.Context, userI
 			ID:       userID,
 			Password: hashedPassword,
 		}
-		if err := s.db.Create(&yggdrasil).Error; err != nil {
+		if err := s.yggdrasilRepo.Create(ctx, &yggdrasil); err != nil {
 			return "", fmt.Errorf("创建Yggdrasil密码失败: %w", err)
 		}
 		return plainPassword, nil